209820130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1614001}}^1$

素因数の和:1614021

約数の個数: 16

約数和(自身を含む): 406728504

約数和(自身を除く): 196908374

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1614001, 3228002, 8070005, 16140010, 20982013, 41964026, 104910065, 209820130]

約数ペア:

[(1, 209820130), (2, 104910065), (5, 41964026), (10, 20982013), (13, 16140010), (26, 8070005), (65, 3228002), (130, 1614001)]